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denis23 [38]
3 years ago
14

Asked what the central limit theorem says, a student replies, As you take larger and larger samples from a population, the histo

gram of the sample values looks more and more Normal.
Is the student right?

A. No. The central limit theorem says nothing about the histogram of the sample values. It deals only with the distribution of the sample means.
B. Yes. This is exactly what the theorem says
Mathematics
1 answer:
Arada [10]3 years ago
5 0

Answer:

A. No, the student is not right. The central limit theorem says nothing about the histogram of the sample values. It deals only with the distribution of the sample means.

Step-by-step explanation:

No, the student is not right. The central limit theorem says nothing about the histogram of the sample values. It deals only with the distribution of the sample means. The central limit theorem says that if we take a large sample (i.e., a sample of size n > 30) of any distribution with finite mean \mu and standard deviation \sigma, then, the sample average is approximately normally distributed  with mean \mu and variance \sigma^2/n.

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What does this equal?
lukranit [14]

Answer:

87/100

Step-by-step explanation:

Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are

2

numbers to the right of the decimal point, place the decimal number over

10

2

(

100

)

. Next, add the whole number to the left of the decimal.

6 0
3 years ago
Kesha drives 26 miles in 48 minutes. Keeping the same rate, how many miles does she drive in 12 minutes
Nataly_w [17]
About 6.5 miles

this is because there will be about .54 miles in one minutes so then you multiply that by 12 and get about 6.5

hope that’s correct
6 0
3 years ago
The price of a technology stock has dropped to $9.54 today. Yesterday's price was $9.61 . Find the percentage decrease. Round yo
Airida [17]
Percentage \: decrease = \frac{decreas \: in \: price}{Original \: price} \times 100

Yesterday's price is the original price or the old price.

Percentage \: decrease = \frac{9.61 - 9.54}{9.61} \times 100

Percentage \: decrease = \frac{0.07}{9.61} \times 100

Percentage \: decrease = \frac{700}{961} = 0.728%

Rounding to the nearest tenth means round to one decimal place.

This will give us,

0.7% decrease in price.

Therefore between yesterday and today, there was a 0.7 percentage decrease in price.
7 0
3 years ago
I need help please help please please please
alekssr [168]
Problem 1 is asking "the other cost."

It is described in the problem statement as "a cost for every one-tenth of a mile traveled." It is described in the table header as "Mileage Cost in Dollars."

The only value in the "Mileage Cost in Dollars" column is 1, which corresponds to a distance of 1/10 mile. So, it appears the numerical value of "the other cost" is $1 for each tenth-mile traveled.

___
The problem statement does not make clear whether the desired answer is the description of the other cost, or its numerical value.
7 0
4 years ago
Make a conjecture about expressing repeating decimals like these as fractions
Ivan
N would be equal to 4
4 0
4 years ago
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